[ 1423.701600][T25549] gre: GRE over IPv4 demultiplexer driver
[ 1424.180260][T25573] ip_gre: GRE over IPv4 tunneling driver
[ 1440.870242][T26146] ip6_gre: GRE over IPv6 tunneling driver
[ 1451.928981][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1454.040949][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1455.960950][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1458.072940][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1482.577487][T27636] ping (27636) used greatest stack depth: 22496 bytes left