[ 2652.250597][T21099] gre: GRE over IPv4 demultiplexer driver
[ 2653.948198][T21122] ip_gre: GRE over IPv4 tunneling driver
[ 2701.923915][T21702] ip6_gre: GRE over IPv6 tunneling driver
[ 2729.733180][T22046] ping (22046) used greatest stack depth: 23464 bytes left
[ 2734.842319][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2739.643237][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2743.803239][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2748.666243][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2922.462280][T24316] ping (24316) used greatest stack depth: 23440 bytes left