r0 = socket$inet6_udp(0xa, 0x2, 0x0)
r1 = socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$nl_generic(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000480)={&(0x7f0000000500)=ANY=[@ANYBLOB="140000001d00210c00000000fbdbdf250100020058e1f427ac228a56bc008ab966c0f8ac7a2a330419306c10c4dbc57d0b91172a7daabca0a8905625bcfd9b5dcd52004b5ee527907eebc7c9c532e97f7b594367d09aae8eaf5bcacea5b107f6db51a7ddcfe39e42a36bda4a8692badc4f48b0754e2a90b79127f7fffffffffffff10019f7cc3a0799020000000001000062644cad137c4642a7"], 0x14}}, 0x0)
connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x8, @mcast2, 0x5}, 0x1c)
ftruncate(0xffffffffffffffff, 0x1000003)
sendmmsg$inet6(r0, &(0x7f0000004d00)=[{{0x0, 0x0, &(0x7f00000004c0)=[{&(0x7f0000000080)='K', 0x1}], 0x1}}], 0x7ffff000, 0x0)