Помогло частично, выставил 1000, смог повесить с 1 по 79.

sysctl -a | grep net.ipv6.conf

net.ipv6.conf.all.forwarding = 0
net.ipv6.conf.all.hop_limit = 64
net.ipv6.conf.all.mtu = 1280
net.ipv6.conf.all.accept_ra = 1
net.ipv6.conf.all.accept_redirects = 1
net.ipv6.conf.all.autoconf = 1
net.ipv6.conf.all.dad_transmits = 1
net.ipv6.conf.all.router_solicitations = 3
net.ipv6.conf.all.router_solicitation_interval = 4
net.ipv6.conf.all.router_solicitation_delay = 1
net.ipv6.conf.all.force_mld_version = 0
net.ipv6.conf.all.use_tempaddr = 0
net.ipv6.conf.all.temp_valid_lft = 604800
net.ipv6.conf.all.temp_prefered_lft = 86400
net.ipv6.conf.all.regen_max_retry = 5
net.ipv6.conf.all.max_desync_factor = 600
net.ipv6.conf.all.max_addresses = 1000
net.ipv6.conf.all.accept_ra_defrtr = 1
net.ipv6.conf.all.accept_ra_pinfo = 1
net.ipv6.conf.all.accept_ra_rtr_pref = 1
net.ipv6.conf.all.router_probe_interval = 60
net.ipv6.conf.all.accept_ra_rt_info_max_plen = 0
net.ipv6.conf.all.proxy_ndp = 0
net.ipv6.conf.all.accept_source_route = 0
net.ipv6.conf.all.optimistic_dad = 0
net.ipv6.conf.all.mc_forwarding = 0
net.ipv6.conf.all.disable_ipv6 = 0
net.ipv6.conf.all.accept_dad = 1
net.ipv6.conf.default.forwarding = 0
net.ipv6.conf.default.hop_limit = 64
net.ipv6.conf.default.mtu = 1280
net.ipv6.conf.default.accept_ra = 1
net.ipv6.conf.default.accept_redirects = 1
net.ipv6.conf.default.autoconf = 1
net.ipv6.conf.default.dad_transmits = 1
net.ipv6.conf.default.router_solicitations = 3
net.ipv6.conf.default.router_solicitation_interval = 4
net.ipv6.conf.default.router_solicitation_delay = 1
net.ipv6.conf.default.force_mld_version = 0
net.ipv6.conf.default.use_tempaddr = 0
net.ipv6.conf.default.temp_valid_lft = 604800
net.ipv6.conf.default.temp_prefered_lft = 86400
net.ipv6.conf.default.regen_max_retry = 5
net.ipv6.conf.default.max_desync_factor = 600
net.ipv6.conf.default.max_addresses = 1000
net.ipv6.conf.default.accept_ra_defrtr = 1
net.ipv6.conf.default.accept_ra_pinfo = 1
net.ipv6.conf.default.accept_ra_rtr_pref = 1
net.ipv6.conf.default.router_probe_interval = 60
net.ipv6.conf.default.accept_ra_rt_info_max_plen = 0
net.ipv6.conf.default.proxy_ndp = 0
net.ipv6.conf.default.accept_source_route = 0
net.ipv6.conf.default.optimistic_dad = 0
net.ipv6.conf.default.mc_forwarding = 0
net.ipv6.conf.default.disable_ipv6 = 0
net.ipv6.conf.default.accept_dad = 1
net.ipv6.conf.eth0.forwarding = 0
net.ipv6.conf.eth0.hop_limit = 64
net.ipv6.conf.eth0.mtu = 1500
net.ipv6.conf.eth0.accept_ra = 1
net.ipv6.conf.eth0.accept_redirects = 1
net.ipv6.conf.eth0.autoconf = 1
net.ipv6.conf.eth0.dad_transmits = 1
net.ipv6.conf.eth0.router_solicitations = 3
net.ipv6.conf.eth0.router_solicitation_interval = 4
net.ipv6.conf.eth0.router_solicitation_delay = 1
net.ipv6.conf.eth0.force_mld_version = 0
net.ipv6.conf.eth0.use_tempaddr = 0
net.ipv6.conf.eth0.temp_valid_lft = 604800
net.ipv6.conf.eth0.temp_prefered_lft = 86400
net.ipv6.conf.eth0.regen_max_retry = 5
net.ipv6.conf.eth0.max_desync_factor = 600
net.ipv6.conf.eth0.max_addresses = 1000
net.ipv6.conf.eth0.accept_ra_defrtr = 1
net.ipv6.conf.eth0.accept_ra_pinfo = 1
net.ipv6.conf.eth0.accept_ra_rtr_pref = 1
net.ipv6.conf.eth0.router_probe_interval = 60
net.ipv6.conf.eth0.accept_ra_rt_info_max_plen = 0
net.ipv6.conf.eth0.proxy_ndp = 0
net.ipv6.conf.eth0.accept_source_route = 0
net.ipv6.conf.eth0.optimistic_dad = 0
net.ipv6.conf.eth0.mc_forwarding = 0
net.ipv6.conf.eth0.disable_ipv6 = 0
net.ipv6.conf.eth0.accept_dad = 1
net.ipv6.conf.lo.forwarding = 0
net.ipv6.conf.lo.hop_limit = 64
net.ipv6.conf.lo.mtu = 65536
net.ipv6.conf.lo.accept_ra = 1
net.ipv6.conf.lo.accept_redirects = 1
net.ipv6.conf.lo.autoconf = 1
net.ipv6.conf.lo.dad_transmits = 1
net.ipv6.conf.lo.router_solicitations = 3
net.ipv6.conf.lo.router_solicitation_interval = 4
net.ipv6.conf.lo.router_solicitation_delay = 1
net.ipv6.conf.lo.force_mld_version = 0
net.ipv6.conf.lo.use_tempaddr = -1
net.ipv6.conf.lo.temp_valid_lft = 604800
net.ipv6.conf.lo.temp_prefered_lft = 86400
net.ipv6.conf.lo.regen_max_retry = 5
net.ipv6.conf.lo.max_desync_factor = 600
net.ipv6.conf.lo.max_addresses = 1000
net.ipv6.conf.lo.accept_ra_defrtr = 1
net.ipv6.conf.lo.accept_ra_pinfo = 1
net.ipv6.conf.lo.accept_ra_rtr_pref = 1
net.ipv6.conf.lo.router_probe_interval = 60
net.ipv6.conf.lo.accept_ra_rt_info_max_plen = 0
net.ipv6.conf.lo.proxy_ndp = 0
net.ipv6.conf.lo.accept_source_route = 0
net.ipv6.conf.lo.optimistic_dad = 0
net.ipv6.conf.lo.mc_forwarding = 0
net.ipv6.conf.lo.disable_ipv6 = 0
net.ipv6.conf.lo.accept_dad = -1

sysctl -a | grep net.ipv6.conf | grep max_ad

net.ipv6.conf.all.max_addresses = 1000
net.ipv6.conf.default.max_addresses = 1000
net.ipv6.conf.eth0.max_addresses = 1000
net.ipv6.conf.lo.max_addresses = 1000

Помогло частично, выставил 1000, смог повесить с 1 по 79.

sysctl -a | grep net.ipv6.conf

net.ipv6.conf.all.forwarding = 0 net.ipv6.conf.all.hop_limit = 64 net.ipv6.conf.all.mtu = 1280 net.ipv6.conf.all.accept_ra = 1 net.ipv6.conf.all.accept_redirects = 1 net.ipv6.conf.all.autoconf = 1 net.ipv6.conf.all.dad_transmits = 1 net.ipv6.conf.all.router_solicitations = 3 net.ipv6.conf.all.router_solicitation_interval = 4 net.ipv6.conf.all.router_solicitation_delay = 1 net.ipv6.conf.all.force_mld_version = 0 net.ipv6.conf.all.use_tempaddr = 0 net.ipv6.conf.all.temp_valid_lft = 604800 net.ipv6.conf.all.temp_prefered_lft = 86400 net.ipv6.conf.all.regen_max_retry = 5 net.ipv6.conf.all.max_desync_factor = 600 net.ipv6.conf.all.max_addresses = 1000 net.ipv6.conf.all.accept_ra_defrtr = 1 net.ipv6.conf.all.accept_ra_pinfo = 1 net.ipv6.conf.all.accept_ra_rtr_pref = 1 net.ipv6.conf.all.router_probe_interval = 60 net.ipv6.conf.all.accept_ra_rt_info_max_plen = 0 net.ipv6.conf.all.proxy_ndp = 0 net.ipv6.conf.all.accept_source_route = 0 net.ipv6.conf.all.optimistic_dad = 0 net.ipv6.conf.all.mc_forwarding = 0 net.ipv6.conf.all.disable_ipv6 = 0 net.ipv6.conf.all.accept_dad = 1 net.ipv6.conf.default.forwarding = 0 net.ipv6.conf.default.hop_limit = 64 net.ipv6.conf.default.mtu = 1280 net.ipv6.conf.default.accept_ra = 1 net.ipv6.conf.default.accept_redirects = 1 net.ipv6.conf.default.autoconf = 1 net.ipv6.conf.default.dad_transmits = 1 net.ipv6.conf.default.router_solicitations = 3 net.ipv6.conf.default.router_solicitation_interval = 4 net.ipv6.conf.default.router_solicitation_delay = 1 net.ipv6.conf.default.force_mld_version = 0 net.ipv6.conf.default.use_tempaddr = 0 net.ipv6.conf.default.temp_valid_lft = 604800 net.ipv6.conf.default.temp_prefered_lft = 86400 net.ipv6.conf.default.regen_max_retry = 5 net.ipv6.conf.default.max_desync_factor = 600 net.ipv6.conf.default.max_addresses = 1000 net.ipv6.conf.default.accept_ra_defrtr = 1 net.ipv6.conf.default.accept_ra_pinfo = 1 net.ipv6.conf.default.accept_ra_rtr_pref = 1 net.ipv6.conf.default.router_probe_interval = 60 net.ipv6.conf.default.accept_ra_rt_info_max_plen = 0 net.ipv6.conf.default.proxy_ndp = 0 net.ipv6.conf.default.accept_source_route = 0 net.ipv6.conf.default.optimistic_dad = 0 net.ipv6.conf.default.mc_forwarding = 0 net.ipv6.conf.default.disable_ipv6 = 0 net.ipv6.conf.default.accept_dad = 1 net.ipv6.conf.eth0.forwarding = 0 net.ipv6.conf.eth0.hop_limit = 64 net.ipv6.conf.eth0.mtu = 1500 net.ipv6.conf.eth0.accept_ra = 1 net.ipv6.conf.eth0.accept_redirects = 1 net.ipv6.conf.eth0.autoconf = 1 net.ipv6.conf.eth0.dad_transmits = 1 net.ipv6.conf.eth0.router_solicitations = 3 net.ipv6.conf.eth0.router_solicitation_interval = 4 net.ipv6.conf.eth0.router_solicitation_delay = 1 net.ipv6.conf.eth0.force_mld_version = 0 net.ipv6.conf.eth0.use_tempaddr = 0 net.ipv6.conf.eth0.temp_valid_lft = 604800 net.ipv6.conf.eth0.temp_prefered_lft = 86400 net.ipv6.conf.eth0.regen_max_retry = 5 net.ipv6.conf.eth0.max_desync_factor = 600 net.ipv6.conf.eth0.max_addresses = 1000 net.ipv6.conf.eth0.accept_ra_defrtr = 1 net.ipv6.conf.eth0.accept_ra_pinfo = 1 net.ipv6.conf.eth0.accept_ra_rtr_pref = 1 net.ipv6.conf.eth0.router_probe_interval = 60 net.ipv6.conf.eth0.accept_ra_rt_info_max_plen = 0 net.ipv6.conf.eth0.proxy_ndp = 0 net.ipv6.conf.eth0.accept_source_route = 0 net.ipv6.conf.eth0.optimistic_dad = 0 net.ipv6.conf.eth0.mc_forwarding = 0 net.ipv6.conf.eth0.disable_ipv6 = 0 net.ipv6.conf.eth0.accept_dad = 1 net.ipv6.conf.lo.forwarding = 0 net.ipv6.conf.lo.hop_limit = 64 net.ipv6.conf.lo.mtu = 65536 net.ipv6.conf.lo.accept_ra = 1 net.ipv6.conf.lo.accept_redirects = 1 net.ipv6.conf.lo.autoconf = 1 net.ipv6.conf.lo.dad_transmits = 1 net.ipv6.conf.lo.router_solicitations = 3 net.ipv6.conf.lo.router_solicitation_interval = 4 net.ipv6.conf.lo.router_solicitation_delay = 1 net.ipv6.conf.lo.force_mld_version = 0 net.ipv6.conf.lo.use_tempaddr = -1 net.ipv6.conf.lo.temp_valid_lft = 604800 net.ipv6.conf.lo.temp_prefered_lft = 86400 net.ipv6.conf.lo.regen_max_retry = 5 net.ipv6.conf.lo.max_desync_factor = 600 net.ipv6.conf.lo.max_addresses = 1000 net.ipv6.conf.lo.accept_ra_defrtr = 1 net.ipv6.conf.lo.accept_ra_pinfo = 1 net.ipv6.conf.lo.accept_ra_rtr_pref = 1 net.ipv6.conf.lo.router_probe_interval = 60 net.ipv6.conf.lo.accept_ra_rt_info_max_plen = 0 net.ipv6.conf.lo.proxy_ndp = 0 net.ipv6.conf.lo.accept_source_route = 0 net.ipv6.conf.lo.optimistic_dad = 0 net.ipv6.conf.lo.mc_forwarding = 0 net.ipv6.conf.lo.disable_ipv6 = 0 net.ipv6.conf.lo.accept_dad = -1

sysctl -a | grep net.ipv6.conf | grep max_ad

net.ipv6.conf.all.max_addresses = 1000
net.ipv6.conf.default.max_addresses = 1000
net.ipv6.conf.eth0.max_addresses = 1000
net.ipv6.conf.lo.max_addresses = 1000