r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
ioctl$sock_inet6_SIOCADDRT(r0, 0x890b, &(0x7f0000000040)={@local, @loopback, @mcast2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x63502c2})
recvmsg$unix(0xffffffffffffffff, &(0x7f0000000740)={&(0x7f00000000c0), 0x6e, &(0x7f0000000600)=[{&(0x7f0000000140)=""/192, 0xc0}, {&(0x7f0000000200)=""/216, 0xd8}, {&(0x7f0000000300)=""/73, 0x49}, {&(0x7f0000000000)=""/41, 0x29}, {&(0x7f0000000380)=""/223, 0xdf}, {&(0x7f0000000480)=""/235, 0xeb}, {&(0x7f0000000580)=""/127, 0x7f}], 0x7, &(0x7f0000000680)=[@cred={{0x1c}}, @cred={{0x1c}}, @cred={{0x1c}}, @cred={{0x1c}}, @rights={{0x14, 0x1, 0x1, [<r1=>0xffffffffffffffff]}}], 0x98}, 0x1)
ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL(r1, 0x89f3, &(0x7f0000000800)={'ip6tnl0\x00', &(0x7f0000000780)={'ip6tnl0\x00', 0x0, 0x29, 0x8f, 0xa2, 0x800, 0x18, @mcast2, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}, 0x7, 0x10, 0x9, 0xffff}})