r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
ioctl$sock_inet6_SIOCDELRT(r0, 0x890c, &(0x7f0000000080)={@local, @loopback, @remote, 0x0, 0xeeea, 0x0, 0x0, 0x0, 0x1000000})