r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
setsockopt$inet6_tcp_int(r0, 0x6, 0xa, &(0x7f0000000080)=0x90, 0x4)
bind$inet6(r0, &(0x7f0000000140)={0xa, 0x4e20, 0x0, @ipv4={'\x00', '\xff\xff', @empty}}, 0x1c)
setsockopt$sock_timeval(0xffffffffffffffff, 0x1, 0x0, 0x0, 0x0)
connect$inet6(r0, &(0x7f0000000000)={0xa, 0x4e20, 0x0, @empty}, 0x1c)
setsockopt$inet6_tcp_int(r0, 0x6, 0x19, &(0x7f00000000c0)=0x6, 0x4)
sendmsg$inet6(r0, &(0x7f00000006c0)={0x0, 0x31, &(0x7f0000000540)=[{&(0x7f0000000100)=':\x00', 0xfffffdef}], 0x1}, 0x10044001)
clock_gettime(0x0, &(0x7f0000001500))
recvmmsg(r0, &(0x7f0000001400)=[{{0x0, 0x0, &(0x7f0000000c40)=[{&(0x7f0000000700)=""/213, 0xd5}, {&(0x7f0000000480)=""/191, 0xbf}, {&(0x7f0000000800)=""/191, 0xbf}, {&(0x7f00000008c0)=""/191, 0xbf}, {&(0x7f0000000980)=""/205, 0xcd}, {&(0x7f0000000a80)=""/246, 0xf6}], 0x6}}, {{0x0, 0x0, &(0x7f0000000380)=[{&(0x7f0000000dc0)=""/118, 0x76}], 0x1}}], 0x2, 0x60, 0x0)