r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000100)={'lo\x00', <r1=>0x0})
r2 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
ioctl$sock_inet6_SIOCSIFADDR(r2, 0x8916, &(0x7f0000000140)={@mcast1, 0x0, r1})