r0 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_BROADCAST_ERROR(r0, 0x10e, 0xc, &(0x7f0000000100)=0x3f, 0x4) sendmsg$nl_generic(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000180)={0x1c, 0x16, 0xc21, 0x0, 0x0, {0xa, 0x0, 0x2}, [@typed={0x8, 0x0, 0x0, 0x0, @ipv4=@multicast1}]}, 0x1c}}, 0x0)