r0 = socket$inet6_udp(0xa, 0x2, 0x0)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
r2 = fcntl$dupfd(r1, 0x0, r1)
setsockopt$inet_mreqn(r2, 0x0, 0x27, &(0x7f0000000f40)={@multicast1, @local}, 0xc)
r3 = fcntl$dupfd(r2, 0x0, r0)
setsockopt$inet_mreqn(r3, 0x0, 0x27, &(0x7f0000000f40)={@multicast1, @local}, 0xc)