perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
setsockopt$inet6_tcp_int(r0, 0x6, 0xa, &(0x7f0000000080), 0x4)
setsockopt$inet6_tcp_TCP_MD5SIG(r0, 0x6, 0xe, &(0x7f0000000580)={@in6={{0xa, 0x4e23, 0x9, @mcast1}}, 0x0, 0x0, 0x34, 0x0, "4ea82f7992a4c57d6d0eab59400a513c88bf29b0f2c25521c0c3bb9b037fb4193ed2cf44617816ea27affc2ae22900a378e63d5765d86b89593032288ef758513e68ac13e106a5bb3ecd2c17581bb6fd"}, 0xd8)
bind$inet6(r0, &(0x7f0000000140)={0xa, 0x4e20, 0x0, @ipv4={'\x00', '\xff\xff', @empty}}, 0x1c)
setsockopt$sock_timeval(0xffffffffffffffff, 0x1, 0x43, &(0x7f0000000040)={0x0, 0xea60}, 0x10)
connect$inet6(r0, &(0x7f0000000000)={0xa, 0x4e20, 0x0, @empty}, 0x1c)
ioctl$BTRFS_IOC_BALANCE(0xffffffffffffffff, 0x5000940c, 0x0)
r1 = accept4(r0, 0x0, &(0x7f0000000180), 0x800)
recvmsg(r1, 0x0, 0x40000000)