r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
r1 = fcntl$dupfd(r0, 0x0, r0)
ioctl$sock_inet6_SIOCDELRT(r1, 0x890b, &(0x7f0000000280)={@empty, @loopback, @empty, 0x0, 0x0, 0x0, 0x0, 0x0, 0x801301c5})