[ 4302.061921][T29243] gre: GRE over IPv4 demultiplexer driver
[ 4303.714347][T29266] ip_gre: GRE over IPv4 tunneling driver
[ 4353.034830][T29838] ip6_gre: GRE over IPv6 tunneling driver
[ 4381.473158][T28945] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 4386.147473][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4391.074026][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4395.297065][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4400.161065][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!