[ 4384.825617][T29195] gre: GRE over IPv4 demultiplexer driver
[ 4386.465963][T29218] ip_gre: GRE over IPv4 tunneling driver
[ 4415.361151][T29571] ping (29571) used greatest stack depth: 23280 bytes left
[ 4436.517366][T29796] ip6_gre: GRE over IPv6 tunneling driver
[ 4461.824219][ T7541] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 4471.041020][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4475.968041][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4480.320095][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4485.313106][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!