r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000140)={'lo\x00', <r2=>0x0})
ioctl$sock_inet6_SIOCDELRT(r0, 0x890c, &(0x7f0000000800)={@empty, @loopback, @empty, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, r2})